FORM NO. G11-464 REV. 7
Supersedes Form No. G11-464 Rev. 6
GAS FURNACES
Annual Fuel Utilization Efficiency -
AFUE
THIS MODEL
ENER UIDE
97%
78%
HIGH
MID
82%
88%
92.0%
RGTJ- SERIES
Models with Input Rates
from 45,000 to 120,000 BTU/HR
[13.19 to 35.17 kW]
(All Models 90% A.F.U.E.† or Above)
CLASSIC
®
90
HIGH EFFICIENCY
DOWNFLOW/
HORIZONTAL
GAS FURNACES
The Rheem
®
Classic
®
90 High Efficiency line of downflow/
horizontal gas furnaces are designed for utility rooms, clos-
ets, alcoves, attics or crawl spaces. The RGTJ is shipped in
the downflow configuration and is easily converted for hori-
zontal
left-hand
airflow applications.
The design is certified by CSA.
Features
■
Low profile “34 inch” design is lighter and easier to handle
and leaves room for optional accessories.
■
Top electrical connections, left or right gas and conden-
sate drainage connections on downflow models.
■
Condensate drain for horizontal application provided
standard.
■
Integrated control board manages all operational functions
and provides hookups for an electronic air cleaner.
■
A slow-opening gas valve and a specially designed
inducer system make it one of the quietest furnaces on
the market today.
■
Galvanized steel cabinet.
■
Optional indoor or outdoor combustion air.
■
Control board diagnostics.
A variety of cooling coils and plenums designed to use with
the Classic 90 gas furnaces are available as optional acces-
sories for air conditioning models.
✝
A.F.U.E. (Annual Fuel Utilization Efficiency) calculated in accordance with Department
of Energy test procedures.
